Coldest on Tuesday night: South Newington (Oxon) -0.5°C min / Mildest: Carlisle 10.3°C min / Coldest on Wednesday: Fair Isle 9.7°C max / Warmest: Newport (Shropshire) 21.3°C max / Wettest: Achnagart (Glenshiel) 10 mm

[Colin Youngs]

Wednesday 18th March 2026


Meteosat MSG satellite picture from Ferdinand Valk’s site at 12.00 UTC  https://www.fvalk.com/images/Day_image/MSG-1200-EUR.jpg      

Meteosat MSG satellite picture from Bernard Burton’s site at 12.00 UTC  http://www.woksat.info/etcaic18m/aic18-msg-1200-uk.html

MetopC satellite picture from Bernard Burton’s site at 10.23 UTC  http://www.woksat.info/etcaic18/aic18-1023-b-uk.html

Latest satpic animation from sat24.com   https://www.sat24.com/en-gb  


Figures from both SYNOPs and climatological sites this evening, except for low max. temps (SYNOPs only).  

UK min. temps on Tuesday night  (at 06.00)  http://www.ogimet.com/cgi-bin/gsynop?lang=en&zona=uk&base=bluem&proy=orto&ano=2026&mes=03&day=18&hora=18&vtn=Tn&Send=send

Chertsey and Charlwood 2.1°C,  Derrylin (NI) 1.8°C,  Westonbirt (Gloucs) 1.7°C,  Drumnadrochit and Aboyne 1.3°C,  Exeter Airport 0.8°C,  Castlederg and Sennybridge 0.7°C,  Shobdon and Hereford Credenhill 0.6°C,  Usk (Monmouthshire) 0.5°C,  South Newington (Oxon) -0.5°C.

Levens Hall (Cumbria) and Guernsey Airport 9.2°C,  Walney Island 9.3°C,  Bridgefoot (Cumbria), Mona (Anglesey) and Jersey Airport 9.7°C,  Glasgow Bishopton 9.8°C,  St Mary’s Scilly 9.9°C,  Keswick, Morecambe, Valley and St Catherine’s Point 10.0°C,  Carlisle 10.3°C.

UK max. temps on Wednesday  https://www.weatheronline.co.uk/weather/maps/observation?LANG=en&CONT=ukuk&LAND=UK&REGION=0003&SORT=3&UD=1&INT=24&TYP=tmax&ART=kartealle&RUBRIK=akt&DATE=--&CEL=C&SI=mph

Fair Isle 9.7°C,  Loch Glascarnoch 10.8°C,  Glenanne, Baltasound and South Uist 10.9°C,  Inverbervie 11.2°C,  Lerwick, Kirkwall and Tiree 11.4°C,  Lough Fea, Aultbea and St Bees Head 11.5°C.

Brize Norton 19.2°C,  Coleshill 19.5°C,  Nottingham Watnall 19.6°C,  Pershore, Usk (Monmouthshire) and Chertsey 19.7°C,  Myerscough (Lancs) 19.8°C,  Kew Gardens and St Helier (Jersey) 19.9°C,  Trawsgoed and Ross-on-Wye  20.0°C,  Bude and Northolt 20.1°C,  Porthmadog and Cardiff Bute Park 20.2°C,  Gogerddan (Aberystwyth) 20.9°C,  Newport (Shropshire) 21.3°C.

Apparently, the Met Office has rejected the Newport figure !

OGIMET summary  http://www.ogimet.com/cgi-bin/gsynres?lang=en&state=United+K&osum=no&fmt=html&ord=REV&ano=2026&mes=03&day=18&hora=18&ndays=1&Send=send

UK rainfall totals in 24 hours ending 18.00 UTC on Wednesday https://www.weatheronline.co.uk/weather/maps/observation?LANG=en&CONT=ukuk&LAND=UK&REGION=0003&SORT=3&UD=1&INT=24&TYP=niederschlag&ART=kartealle&RUBRIK=akt&DATE=--&CEL=C&SI=mph

Altnahinch Filters (NI), Ballypatrick Forest, Belfast Aldergrove, Glenanne, Stornoway, Tulloch Bridge, Tyndrum, Drumnadrochit, Machrihanish, Dundrennan, Salsburgh (Norrth Lanarkshire) and Eskdalemuir 2 mm,  Loch Glascarnoch and Kinlochewe 3 mm,  Armagh Observatory and Oban 4 mm,  Achnagart (Glenshiel) 10 mm.
 
Rainfall radar  https://www.netweather.tv/live-weather/radar    

Sferics  https://www.blitzortung.org/en/historical_maps.php?map=10   Review  24h Loop

Location of stations   https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-synoptic-and-climate-stations

Colin Youngs
Brussels 

[Freddie]

Yes, it stands out like a sore thumb.  Apparently there were "spikes" on the temperature graph that indicate a sensor issue.  Real max likely in the region 19.5-20.0.

On Wednesday, 18 March 2026 at 22:16:51 UTC col...@yahoo.co.uk wrote:

Brize Norton 19.2°C,  Coleshill 19.5°C,  Nottingham Watnall 19.6°C,  Pershore, Usk (Monmouthshire) and Chertsey 19.7°C,  Myerscough (Lancs) 19.8°C,  Kew Gardens and St Helier (Jersey) 19.9°C,  Trawsgoed and Ross-on-Wye  20.0°C,  Bude and Northolt 20.1°C,  Porthmadog and Cardiff Bute Park 20.2°C,  Gogerddan (Aberystwyth) 20.9°C,  Newport (Shropshire) 21.3°C.

Apparently, the Met Office has rejected the Newport figure !

Colin Youngs
Brussels